Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1973__133_171943, author = {Walter Schempp and Bernd Dreseler}, title = {Zonal {Approximation} {Processes.}}, journal = {Mathematische Zeitschrift}, pages = {81--92}, publisher = {mathdoc}, volume = {133}, year = {1973}, zbl = {0252.41022}, url = {http://geodesic.mathdoc.fr/item/MZ_1973__133_171943/} }
Walter Schempp; Bernd Dreseler. Zonal Approximation Processes.. Mathematische Zeitschrift, Tome 133 (1973), pp. 81-92. http://geodesic.mathdoc.fr/item/MZ_1973__133_171943/